Western Enterprises VN-500 Psi Test Regulator Flowmeter Nitrogen Purging 500 Pressure<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Easy-to-read nitrogen cylinder content gauge with preset flow rates</li><li>Heavy-duty brass body designed for rugged field use</li><li>Hybrid design - regulator and flowmeter all in one</li><li>Proudly made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Oiqc0-bpL.jpg" noproxy>